diff --git a/Gemfile.lock b/Gemfile.lock
index caec3a0..4c1d498 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,6 +20,7 @@ GEM
     childprocess (0.3.2)
       ffi (~> 1.0.6)
     coderay (1.0.6)
+    concurrent-ruby (1.1.5)
     configatron (2.9.1)
       yamler (>= 0.1.0)
     crack (0.3.1)
@@ -63,7 +64,8 @@ GEM
       thor (>= 0.14.6)
     guard-rspec (0.7.3)
       guard (>= 0.10.0)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jeweler (1.6.4)
       bundler (~> 1.0)
       git (>= 1.2.5)
@@ -98,11 +100,6 @@ GEM
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.10.1)
     sexp_processor (3.2.0)
-    simplecov (0.6.4)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.5.3)
-    simplecov-html (0.5.3)
-    simplecov-vim (0.0.1)
     slop (2.4.4)
     thor (0.15.2)
     webmock (1.8.7)
@@ -135,7 +132,5 @@ DEPENDENCIES
   pry
   rb-readline
   rspec
-  simplecov
-  simplecov-vim
   webmock
   yard (~> 0.6.0)